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Finding the Fourth Proportional to 6,418.08, 8,799.18 and 6,301.44

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Solution

The fourth proportional to 6,418.08, 8,799.18 and 6,301.44 is: 8,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.08 : 8,799.18 = 6,301.44 : x
  2. Step 2: Convert to fraction form
    6,418.08/8,799.18 = 6,301.44/x
  3. Step 3: Cross multiply
    6,418.08x = 8,799.18 × 6,301.44
  4. Step 4: Simplify right side
    6,418.08x = 55,447,504.82
  5. Step 5: Solve for x
    x = 55,447,504.82/6,418.08
  6. Step 6: Final answer
    x = 8,639.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.